About 450 British soldiers were flown to California for a fortnight of exercises at Fort Irwin, an American military base that covers an area of almost 1,000 square miles. Among those taking part in the exercises, called Project Convergence, were the Rangers, an elite British army regiment formed last year. British, American and Australian troops tested new combat techniques as they learned from the war in Ukraine, training in open desert landscapes similar to the flat terrain of the Ukrainian steppe. In the context of the exercises, swarms